Machine for sharpening razor blades



Nov. 24, 1925. 1,562,733

' M. AUGSBURGER MACHINE FOR SHARPENING RAZOR BLADES Original Filed NOV. 10. 1922- \MvENv re,

MARTHE AuesBuRQE Patented Nov. 24, 1925.

MARTI-IE AUGSBURGER, OF GENEVA, SWITZERLAND.

MACHINE FOR SHARPENING RAZOR BLADES.

Application filed November 10, 1922, Serial No. 600,106. Renewed July 20, 1925.

To all whom it may concern:

Be it known that I, MARTHE AUesnUnonn, a citizen of the Republic of Switzerland, residing in Geneva, Switzerland, have invented certain new and useful Machines for Sharpening Razor Blades, of which the following is a specification.

This invention relates to machines for sharpening razor blades.

The object of the present invention is to provide a machine for sharpening razor blades, in which the skill required of the operator is reduced to a minimum and the device is particularly easy and simple of operation.

In the accompanying drawings a form oi construction of the object of: the present invention is illustrated as an example, constructed with the object of sharpening the blades of so called safety razors.

Figure 1 is a side view with one of the walls of the box containing the machine removed.

Figure 2 is a plan View, the cover of the box containing the machine being open and only partially shown.

In the present arrangement the machine comprises so'lt metal members of curved periphery in the form of aluminum cylinders 1 mounted respectively on axles 2 hearing in the sides of a box 3 adapted to contain the n'mehine, One of the axles 2 may be oi'icrz'ited by hand by means of a cranl; handle 1, and the rotary moven'lcnt thus given to the cylinder 1 around the fixed axis is also transmitted to the second cylin dcr by means of gear wheels 5 meshing with one another and carried respectively by each of the axles 2.

The razor blade 6 to he sharpened is placed in a support 7, hinged as at 8 and hav ing pins 9 with which one of the parts ot the support is provided to fit into holes punched in the razor blade 6. The support 7 is supported by the sides of the box 3 at such a height that the razor blade 6 can rest against the cylinders 1 the cutting edges Ill) being held in contact by means of a pressure regulating screw 10 screwed into the lid or cover 11 of the box 3 and bearing against the support 7 when the lid 11 is closed.

The cylinders 1 are kept coated with a lubricating substance containing a polishing material adapted to sharpen the blade of the razor 6 by means of pads 12 saturated with such substance and against which the cylinders 1 rub.

In order to obtain a rapid sharpening of the razor blade 6 care must be taken to revolve the handle 4 so that the cylinders revolve in an inward direction as indicated. by the arrow 13.

I declare that what I claim is 1. A sharpening device for razor blades including in combination a box, a lid, a pair of cylindrical sharpening members mounted in said box, a blade holder supported by said box and adapted to hold the cutting edges of the blade in contact with the sharpening members, adjustable pressure means mounted in said lid and adapted on the closure thereof to maintain a constant pressure on said blade holder, a pair of intermeshing gear wheels, one integrally connected with each of said cylindrical memhers, means to rotate one of said members and means to supply a constant film of lubricating and polishing substance to the surface of said cylindrical members.

2. In a razor blade sharpening device, the combination of a. casing, sharpening rollers mounted therein, means to rotate said rollers in opposite directions, said rollers being adapted to contact with and support a razor blade, a blade holder preventing displacement of said blade, a lid on said casing, and means penetrating said lid for adjusting the contact pressure between the blade and the rollers.

In testimony whereof, I have hereunto signed my name this 1922.

MARTHE AUGSBURGER. 

